Update maven.yml

Author: DavidDamke

.github/workflows/maven.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up JDK 1.8
       uses: actions/setup-java@v3
       with:
-        java-version: '8'
+        java-version: '1.8'
         distribution: 'temurin'
         cache: maven
     - name: Build with Maven